Interesting knife lock test methodology and some "big name" surprising fails .

DocJD

DocJD

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Assuming tests are honest and knives are genuine . etc . IMO these fails are dangerous to use folders . :eek:

I don't know this guy , except from this one video , but seems like he tried to be somewhat objective / scientific . :cool:
 
Logan2070 said:
He likes drama and to hear himself cry about other knife reviewers.
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OK , I don't know the guy . ^^^This could be true , even if he is right on with his testing and conclusions .

Did you have a specific problem with his actual methods in this video , per se ? 🤨
 
People still do spine whack tests? What year is it? 2005?

I could whack the hell out of ANY folding knife hard enough and make it fail. ANY of them. Because they “fold”.

Yes, even your precious Tri-ad cold steels, DocJD DocJD

I don’t know when people will learn folding knives are made because they’re convenient to stick in your pocket, not to make em “super dee duper strong”.
 
A knife mounted in a relatively rigid fixture will not act the same as a knife held in the hand. That energy applied to the blade has to go somewhere and without a hand (flesh, muscles, joints) to absorb some of the force it will be applied to the lock in ways that do not mirror real world use.
 
Hardly a real life test. Locks provide a measure of safety if the knife is sensibly used as a cutting tool. Abusing them proves nothing.
 
To each his own . 🤷‍♂️

I personally , would not carry a folder that could not pass this modest challenge .

IMO , if a folder has a lock , it should work ...without fail .

I do understand , that if you love a knife , you naturally will make excuses for its weakness and faults . ;)

Manix 2 Lightweight easily passed , which I was glad to see . But not surprised . 😎:thumbsup::thumbsup:
 
AntDog said:
Yes, even your precious Tri-ad cold steels
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Actually , the blade would probably snap first . 🤔

But I welcome you to try it out . 4 Max Scout would be good cheap one to prove your point . 😏

Please make a video ! :p

Yes , you can break anything , including any fixed blade .

The forces applied in this video are relatively mild and could easily happen by accident .

I would set the bar much higher for a real hard use knife .
 
SharpBits said:
A knife mounted in a relatively rigid fixture will not act the same as a knife held in the hand. That energy applied to the blade has to go somewhere and without a hand (flesh, muscles, joints) to absorb some of the force it will be applied to the lock in ways that do not mirror real world use.
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I believe the test rig did in fact use rubber tubing to (at least ) try to simulate some flex and give . VS a rigid , vise clamp type deal . He made a point of it .

Did any of you actually watch it ?
 
DocJD said:
I believe the test rig did in fact use rubber tubing to (at least ) try to simulate some flex and give . VS a rigid , vise clamp type deal . He made a point of it .

Did any of you actually watch it ?
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I watched with the sound off. Best way to watch marketers, magicians, and U-toobers.

Edited to add: It was still mounted much more firmly that any person could hold.
 
I get the part about unintentional spine whacks and a lock holding to prevent injury but a person still has the responsibility to think about the consequences of an action and applying physics reasoning. In 55 years using a folding knife I have never had a blade lock fail or break because of a spine whack. If I find myself in a situation that is likely to have the spine whack or contact I will employ a different tool besides a folding knife.

Im not concerned about breaking a fixed blade from using it as a pry bar so im not going to test it while prying to find out how much force it takes to break or put a permanent bend in it. So why would I need to do a spine whack test???
 
SharpBits said:
I watched with the sound off. Best way to watch marketers, magicians, and U-toobers.

Edited to add: It was still mounted much more firmly that any person could hold.
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Even if you could make a rig simulating the human grip , the actual human grip itself varies greatly .

This was at least an attempt to apply a repeatable , measurable strike ;which is not possible without a mechanical set up .

Video guy did pretty good for the resources available , IMO . Appeared to be honest . Didn't try to sell me anything . Bravo ! 🥳

I like these kinds of tests , that try to be objective . Are they "professional" scientific , no , but I don't much of that being done .
 
Lesknife said:
I get the part about unintentional spine whacks and a lock holding to prevent injury but a person still has the responsibility to think about the consequences of an action and applying physics reasoning. In 55 years using a folding knife I have never had a blade lock fail or break because of a spine whack. If I find myself in a situation that is likely to have the spine whack or contact I will employ a different tool besides a folding knife.

Im not concerned about breaking a fixed blade from using it as a pry bar so im not going to test it while prying to find out how much force it takes to break or put a permanent bend in it. So why would I need to do a spine whack test???
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If you understand what can happen , its not my business to tell you what need . :)
 
DocJD said:
If you understand what can happen , its not my business to tell you what need . :)
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My point being is there’s many ways I could make a knife fail in extraordinary fashion and I could make a test to see how much abuse it could take but it would still be a nonsensical test for an unrealistic situation unless a person is a total idiot. I’ve seen some real doozies that make you wonder how they are still with all their fingers and limbs but then some people need directions on how to wash their hands. You can’t idiot proof everything they sometimes have to learn the hard way minus some appendages.
 
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